H100 PCIe 96 GB vs Radeon RX 6600

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Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking113not rated
Place by popularity13not in top-100
Cost-effectiveness evaluation67.39no data
Power efficiency20.41no data
ArchitectureRDNA 2.0 (2020−2024)Hopper (2022−2023)
GPU code nameNavi 23GH100
Market segmentDesktopWorkstation
Release date13 October 2021 (3 years ago)21 March 2023 (1 year ago)
Launch price (MSRP)$329 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores179216896
Core clock speed1626 MHz1665 MHz
Boost clock speed2491 MHz1837 MHz
Number of transistors11,060 million80,000 million
Manufacturing process technology7 nm4 nm
Power consumption (TDP)132 Watt700 Watt
Texture fill rate279.0969.9
Floating-point processing power8.928 TFLOPS62.08 TFLOPS
ROPs6424
TMUs112528
Tensor Coresno data528
Ray Tracing Cores28no data

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfacePCIe 4.0 x8PCIe 5.0 x16
Length190 mm268 mm
Width2-slot2-slot
Supplementary power connectors1x 8-pin8-pin EPS

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR6HBM3
Maximum RAM amount8 GB96 GB
Memory bus width128 Bit5120 Bit
Memory clock speed1750 MHz1313 MHz
Memory bandwidth224.0 GB/s1,681 GB/s
Shared memory--

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors1x HDMI, 3x DisplayPortNo outputs
HDMI+-

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12.0 Ultimate (12_2)N/A
Shader Model6.5N/A
OpenGL4.6N/A
OpenCL2.13.0
Vulkan1.2N/A
CUDA-9.0

Pros & cons summary


Recency 13 October 2021 21 March 2023
Maximum RAM amount 8 GB 96 GB
Chip lithography 7 nm 4 nm
Power consumption (TDP) 132 Watt 700 Watt

RX 6600 has 430.3% lower power consumption.

H100 PCIe 96 GB, on the other hand, has an age advantage of 1 year, a 1100% higher maximum VRAM amount, and a 75% more advanced lithography process.

We couldn't decide between Radeon RX 6600 and H100 PCIe 96 GB. We've got no test results to judge.

Be aware that Radeon RX 6600 is a desktop card while H100 PCIe 96 GB is a workstation one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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AMD Radeon RX 6600
Radeon RX 6600
NVIDIA H100 PCIe 96 GB
H100 PCIe 96 GB

Comparisons with similar GPUs

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Community ratings

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4.3 9749 votes

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3.3 9 votes

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Questions & comments

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